-a(n) is inverse EULER transform of -A000041(n).

Terms

a(0) =1a(1) =2a(2) =5a(3) =11a(4) =27a(5) =60a(6) =147a(7) =344a(8) =839a(9) =2031a(10) =5017a(11) =12379a(12) =30921a(13) =77407a(14) =195121a(15) =493451a(16) =1253613a(17) =3194303a(18) =8166757a(19) =20933754a(20) =53798919a(21) =138566312a(22) =357647565a(23) =924834079a(24) =2395702801a(25) =6215748612a(26) =16150985071a(27) =42024182520a(28) =109485000777a(29) =285578913962